userexception

• java.lang.Object
  
• java.lang.Exception
  
• javacard.framework.CardException
  
• java.lang.Throwable
  

public class UserExceptionextends CardException

UserException represents a User exception. This class also provides a resource-saving mechanism (the throwIt() method) for user exceptions by using a Java Card runtime environment-owned instance. Java Card runtime environment-owned instances of exception classes are temporary Java Card runtime environment Entry Point Objects and can be accessed from any applet context. References to these temporary objects cannot be stored in class variables or instance variables or array components. See Runtime Environment Specification for the Java Card Platform, section 6.2.1 for details.

public UserException()

Constructs a UserException with reason = 0. To conserve on resources use throwIt() to use the Java Card runtime environment-owned instance of this class.

public UserException(short reason)

Constructs a UserException with the specified reason. To conserve on resources use throwIt() to use the Java Card runtime environment-owned instance of this class.

Parameters:reason - the reason for the exception

public static void throwIt(short reason) throws UserException

Throws the Java Card runtime environment-owned instance of UserException with the specified reason. Java Card runtime environment-owned instances of exception classes are temporary Java Card runtime environment Entry Point Objects and can be accessed from any applet context. References to these temporary objects cannot be stored in class variables or instance variables or array components. See Runtime Environment Specification for the Java Card Platform, section 6.2.1 for details.

Parameters:reason - the reason for the exception

Throws: UserException- always